Delaunay, Charles, 1816-1872.
Letter to the Minister of Public Instruction. 1869.
Long letter addressed to the Minister of Public Instruction, dated December 9, 1869, denouncing Urbain Le Verrier's conduct as Director of the Observatoire de Paris.
Le Verrier, U.-J. (Urbain J.), 1811-1877.
Observatoire de Paris -- Adminstration.
Observatories -- France.
France. Ministr̈e de la instruction publique.
AIP-ICOS
Institut de France. Bibliothq̈ue. 23 quai de Conti, 75006 Paris, France